Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 864 · 40 questions

What you do (Choose the right way): 1. Put cotton or cloth in the funnel, then layers of sand and small pebbles. 2. Stand the funnel in a clean glass. 3. Pour muddy water in slowly and watch what drips out. 4. Compare the colour before and after — never drink it — and wash your hands.

1. 1.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
2. 2.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) salty (d) hot
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) a funnel (d) a mirror
4. 4.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
5. 5.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) bran from wheat flour (c) sugar from sugar water (d) salt from sea water
6. 6.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the water evaporates (d) the mud dissolves
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) False (b) True
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the filter material (b) how clear the water is (c) the same funnel (d) the same glass
9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) True (b) False
10. 10.True or false: husk from rice grain is done by winnowing. (a) False (b) True
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) muddy water (c) sand and pebbles (d) a funnel
12. 12.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a mirror (c) a battery cell (d) muddy water
13. 13.True or false: salt from sea water is done by filtering. (a) True (b) False
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) how clear the water is (c) the same muddy water (d) the same funnel
15. 15.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
16. 16.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) bran from wheat flour (c) gravel from fine sand (d) bad grains from rice
17. 17.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
18. 18.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
19. 19.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
20. 20.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) how clear the water is (c) the same glass
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we keep it the same (c) we measure it
23. 23.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) it turns to sand (d) yes, all of it
24. 24.🫗 How do we separate sugar from sugar water? (a) filtering (b) sieving (c) evaporating (d) winnowing
25. 25.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) cotton or cloth (c) muddy water (d) a clean glass
27. 27.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a battery cell (d) a clean glass
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.True or false: sugar from sugar water is done by handpicking. (a) True (b) False
30. 30.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
31. 31.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
32. 32.True or false: mud from water is done by filtering. (a) True (b) False
33. 33.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same funnel (b) the filter material (c) how clear the water is
35. 35.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) True (b) False
37. 37.🫗 How do we separate mud from water? (a) sieving (b) evaporating (c) handpicking (d) filtering
38. 38.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
39. 39.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
40. 40.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) no, germs may stay (c) yes, always (d) yes, if it is cold

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